Common link dual arm tensioning device

Details Common link dual arm tensioning device Common link dual arm tensioning device

2005-06-06

2009-12-15

Siconolfi, Robert A (Department: 3657)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Tension adjuster has surface in sliding contact with belt

C474S109000, C474S110000, C474S140000

Reexamination Certificate

active

07632200

ABSTRACT:
A chain tensioning device links multiple tensioning arms to a common link, causing the tensioning arms to rotate into and displace chain strands with a single applied force and motion. The two tensioning arms rotate and tension proportionally, and when the pivot pin distances are equal, the two tensioning arms rotate and tension equally. The chain tensioner is preferably used to tension two slack chains flanking an auxiliary drive shaft. The chain tensioner is biased against the chain by a hydraulic tensioning assembly in one embodiment and by a spring tensioning assembly in another embodiment.

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patent: 2004/0116239 (2004-06-01), Wafzig
patent: 2006/0270502 (2006-11-01), Markley et al.
patent: 62-24062 (1987-02-01), None

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